Kharaelakhite Mineral Data

Kharaelakhite Mineral Data
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General Kharaelakhite Information

Help on Chemical Formula: Chemical Formula: (Pt,Cu,Pb,Fe,Ni)9S8
Help on Composition: Composition: Molecular Weight = 880.29 gm
   Iron       4.76 %  Fe
   Copper    18.05 %  Cu
   Nickel     1.67 %  Ni
   Platinum  11.08 %  Pt
   Lead      35.31 %  Pb
   Sulfur    29.14 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pt0.5Cu2.5Pb1.5Fe2+0.75Ni0.25S8
Help on Environment: Environment: In hydrothermal chalcopyrite ores.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: From the Talnakh deposit, Noril'sk region, western Siberia, USSR. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the Kharaelakh Plateau, Noril'sk region, USSR.
Help on Name Pronunciation: Name Pronunciation: Kharaelakhite + Pronunciation Say KHARAELAKHITE
 

Kharaelakhite Image

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Kharaelakhite

Comments: B&W BSE polished section image of a kharaelakhite (Xar) reaction rim on cooperate (Cup) and braggite (Br).
Location: Komsolmol'skii mine, Talnakh Cu-Ni deposit, Norilsk district, Krasnoyarsk Territory, Siberia, Russia. Scale: Scale bar 20 µm.
© Diederik Visser

Kharaelakhite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.1656:1:1.74
Help on Cell Dimensions: Cell Dimensions: a = 9.713, b = 8.333, c = 14.5, Z = 6; V = 1,173.61 Den(Calc)= 7.47
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.03(1), 1.854(0.8), 1.591(0.6),
 

Physical Properties of Kharaelakhite

Help on Color: Color: Bronze brown.
Help on Density: Density: 7.78
Help on Diaphaneity: Diaphaneity: Opaque
Help on Luster: Luster: Metallic
 

Optical Properties of Kharaelakhite

Help on Optical Data: Optical Data: NCalc= 1.78 - from Gladstone-Dale relationship (KC = 0.1042) where Ncalc=Dcalc*KC+1
NCalc= 1.81 - from Gladstone-Dale relationship (KC = 0.1042) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Distinct, from pink-lilac to bluish.
Help on RL Color: RL Color: Brownish lilac tint.
 

Calculated Properties of Kharaelakhite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.60 gm/cc
note: Specific Gravity of Kharaelakhite =7.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEKharaelakhite = 788.27 barns/electron
U=PEKharaelakhite x rElectron Density=5,204.14 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kharaelakhite is Not Radioactive
 

Kharaelakhite Classification
Help on Dana Class: Dana Class: 02.07.05.01 (02)Sulfides - Including Selenides and Tellurides
  (02.07)where Am Bn Xp, with (m+n):p=9:8
  (02.07.05)Dana Group
 
02.07.05.01 Kharaelakhite (Pt,Cu,Pb,Fe,Ni)9S8 P mmm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.BC.70 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BC -With Rh, Pd, Pt, etc.
 
02.BC.70 Kharaelakhite (Pt,Cu,Pb,Fe,Ni)9S8 P mmm 2/m 2/m 2/m
 

Other Kharaelakhite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.74,p1215,1989) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Kharaelakhite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Kharaelakhite

(Pt,Cu,Pb,Fe,Ni)9S8
Dana No: 02.07.05.01 Strunz No: 02.BC.70
Locality:

 

Notes: